Long before winter seals the forest under ice, certain frogs begin preparing for a transformation that defies basic biology.
The animal kingdom is full of fascinating tricks for enduring sub-freezing temperatures. Birds, for example, often just take ...
A 161 million-year-old fossil, linked to a line of extinct frog-like amphibians, is the oldest tadpole ever found. By Asher Elbein The metamorphosis of a frog from baby to adult is one of nature’s ...